Introduction: Flyback Driver/ Joule Thief

Picture of Flyback Driver/ Joule Thief

here is a circuit diagram

Step 1: Parts

Picture of Parts

you need a npn transistor a resistor and a toroidal transformer and capacitor is optional

Step 2: Asembley

Picture of Asembley

assemble the circuit from the diagram

Step 3: Done

Picture of Done

hope you are happy with circuit


TP_inc (author)2013-12-03 From now on you should use this to make your circuits

dillonxti (author)TP_inc2014-04-27


dillonxti (author)2013-12-03

any capacitor will work except electrolytic type

dillonxti (author)2013-12-03

I am using a mkp capacitor any size will work under 1uf

rborsuk (author)2013-12-03

Some quick things:
1. What turns ratio did you use?
2. What is the NPN transistor you used?
3. How are you using this circuit?
4. The toroidal transformer came from what?
Any additional information you can provide would be helpful.
Thank you for the instructable.

rborsuk (author)rborsuk2013-12-03

Also looks like you have a capacitor in the circuit, what size and type?


About This Instructable




Bio: I like doing random electronics high voltage projects
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